Originally Posted by
PDR1
*snip*
On a point of order - being in a pressurised chamber at 4bar won't necessarily damage the inner ear. Any scuba diver who goes down to the 120ft level exposes his/her ears to that sort of pressure. Sudden changes inb pressure would be a different matter, but to be honest if you're in a chamber at 150psi when someone opens the door your inner ear is probably one of your more mninor concerns...
PDR
Yeah, we are talking about the usual timeframe for a climb/descent, so quite fast I'd say.
Thanks again
